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3 Days ago

Data Scientist

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Gurugram, Haryana, India
Space Exploration & Research, Information Technology
Full-Time
Recode Solutions

Overview

Job Summary


We are looking for a hands-on Data Scientist with deep expertise in NLP and Generative AI to help build and refine the intelligence behind our agentic AI systems. You will be responsible for fine-tuning, prompt engineering, and evaluating LLMs that power our digital workers across real-world workflows.


Key Responsibilities


  • Fine-tune and evaluate LLMs (e.g., Mistral, LLaMA, Qwen) using frameworks like Unsloth, HuggingFace, and DeepSpeed

  • Develop high-quality prompts and RAG pipelines for few-shot and zero-shot performance

  • Analyze and curate domain-specific text datasets for training and evaluation

  • Conduct performance and safety evaluation of fine-tuned models

  • Collaborate with engineering teams to integrate models into agentic workflows

  • Stay up to date with the latest in open-source LLMs and GenAI tools, and rapidly prototype experiments

  • Apply efficient training and inference techniques (LoRA, QLoRA, quantization, etc.)


Requirements

  • 3+ years of experience in Natural Language Processing (NLP) and machine learning applied to text

  • Strong coding skills in python

  • Hands-on experience fine-tuning LLMs (e.g., LLaMA, Mistral, Falcon, Qwen) using frameworks like Unsloth, HuggingFace Transformers, PEFT, LoRA, QLoRA, bitsandbytes

  • Proficient in PyTorch (preferred) or TensorFlow, with experience in writing custom training/evaluation loops

  • Experience in dataset preparation, tokenization (e.g., Tokenizer, tokenizers), and formatting for instruction tuning (ChatML, Alpaca, ShareGPT formats)

  • Familiarity with retrieval-augmented generation (RAG) using FAISS, Chroma, Weaviate, or Qdrant

  • Strong knowledge of prompt engineering, few-shot/zero-shot learning, chain-of-thought prompting, and function-calling patterns

  • Exposure to agentic AI frameworks like CrewAI, Phidata, LangChain, LlamaIndex, or AutoGen

  • Experience with GPU-accelerated training/inference and libraries like DeepSpeed, Accelerate, Flash Attention, Transformers v2, etc.

  • Solid understanding of LLM evaluation metrics (BLEU, ROUGE, perplexity, pass@k) and safety-related metrics (toxicity, bias)

  • Ability to work with open-source checkpoints and formats (e.g., safetensors, GGUF, HF Hub, GPTQ, ExLlama)

  • Comfortable with containerized environments (Docker) and scripting for training pipelines, data curation, or evaluation workflows


Nice to Haves


  • Experience in Linux (Ubuntu)

  • Terminal/Bash Scripting


    Date Opened

    07/08/2025

    Job Type

    Full time

    Years of Experience

    3 - 6 Years

    Domain

    Chemicals

    City

    Chennai

    State/Province

    Tamil Nadu

    Country

    India

    Zip/Postal Code

    600001
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